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<?php |
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namespace Egulias\EmailValidator\Parser; |
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use Egulias\EmailValidator\EmailLexer; |
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use Egulias\EmailValidator\Warning\CFWSNearAt; |
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use Egulias\EmailValidator\Result\InvalidEmail; |
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use Egulias\EmailValidator\Warning\CFWSWithFWS; |
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use Egulias\EmailValidator\Result\Reason\CRNoLF; |
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use Egulias\EmailValidator\Result\Reason\AtextAfterCFWS; |
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use Egulias\EmailValidator\Result\Reason\CRLFAtTheEnd; |
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use Egulias\EmailValidator\Result\Reason\CRLFX2; |
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use Egulias\EmailValidator\Result\Reason\ExpectingCTEXT; |
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use Egulias\EmailValidator\Result\Result; |
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use Egulias\EmailValidator\Result\ValidEmail; |
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class FoldingWhiteSpace extends PartParser |
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{ |
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const FWS_TYPES = [ |
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EmailLexer::S_SP, |
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EmailLexer::S_HTAB, |
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EmailLexer::S_CR, |
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EmailLexer::S_LF, |
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EmailLexer::CRLF |
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]; |
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public function parse() : Result |
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{ |
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if (!$this->isFWS()) { |
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return new ValidEmail(); |
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} |
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$previous = $this->lexer->getPrevious(); |
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$resultCRLF = $this->checkCRLFInFWS(); |
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if ($resultCRLF->isInvalid()) { |
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return $resultCRLF; |
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} |
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if ($this->lexer->token['type'] === EmailLexer::S_CR) { |
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return new InvalidEmail(new CRNoLF(), $this->lexer->token['value']); |
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} |
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if ($this->lexer->isNextToken(EmailLexer::GENERIC) && $previous['type'] !== EmailLexer::S_AT) { |
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return new InvalidEmail(new AtextAfterCFWS(), $this->lexer->token['value']); |
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} |
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if ($this->lexer->token['type'] === EmailLexer::S_LF || $this->lexer->token['type'] === EmailLexer::C_NUL) { |
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return new InvalidEmail(new ExpectingCTEXT(), $this->lexer->token['value']); |
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} |
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if ($this->lexer->isNextToken(EmailLexer::S_AT) || $previous['type'] === EmailLexer::S_AT) { |
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$this->warnings[CFWSNearAt::CODE] = new CFWSNearAt(); |
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} else { |
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$this->warnings[CFWSWithFWS::CODE] = new CFWSWithFWS(); |
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} |
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return new ValidEmail(); |
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} |
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protected function checkCRLFInFWS() : Result |
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{ |
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if ($this->lexer->token['type'] !== EmailLexer::CRLF) { |
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return new ValidEmail(); |
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} |
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if (!$this->lexer->isNextTokenAny(array(EmailLexer::S_SP, EmailLexer::S_HTAB))) { |
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return new InvalidEmail(new CRLFX2(), $this->lexer->token['value']); |
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} |
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//this has no coverage. Condition is repeated from above one |
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if (!$this->lexer->isNextTokenAny(array(EmailLexer::S_SP, EmailLexer::S_HTAB))) { |
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return new InvalidEmail(new CRLFAtTheEnd(), $this->lexer->token['value']); |
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} |
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return new ValidEmail(); |
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} |
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167 |
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protected function isFWS() : bool |
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{ |
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if ($this->escaped()) { |
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return false; |
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} |
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return in_array($this->lexer->token['type'], self::FWS_TYPES); |
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} |
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} |
egulias /
EmailValidator
